Hair dryer



FIG. 1 is a left side view of a hair dryer showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof.

The broken lines are shown for illustrative purposes only and form nopart of the claimed design.

The views are drawn to different scales.

The ornamental design for a hair dryer, as shown and described.